diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index d47880a..b494b60 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -28,6 +28,7 @@ jobs:
           $version = python -c "import PyInstaller; print(PyInstaller.__version__)"
           git clone --depth 1 --branch "v$version" https://github.com/pyinstaller/pyinstaller.git _pyinstaller_src
           cd _pyinstaller_src/bootloader
+          (Get-Content src\pyi_utils.c) -replace 'PyInstaller', 'TgWsProxy' | Set-Content src\pyi_utils.c
           python ./waf all --target-arch=64bit
           $dest = python -c "import PyInstaller; import os; print(os.path.join(os.path.dirname(PyInstaller.__file__), 'bootloader', 'Windows-64bit-intel'))"
           New-Item -ItemType Directory -Force -Path $dest
@@ -63,6 +64,7 @@ jobs:
           git clone --depth 1 --branch "v$version" https://github.com/pyinstaller/pyinstaller.git _pyinstaller_src
           cd _pyinstaller_src/bootloader
           $env:CFLAGS = "-Wno-error=old-style-definition -std=c11"
+          (Get-Content src\pyi_utils.c) -replace 'PyInstaller', 'TgWsProxy' | Set-Content src\pyi_utils.c
           python ./waf all --target-arch=64bit
           $dest = python -c "import PyInstaller; import os; print(os.path.join(os.path.dirname(PyInstaller.__file__), 'bootloader', 'Windows-64bit-intel'))"
           New-Item -ItemType Directory -Force -Path $dest